SDR CALA2021100601807

Service difficulty report · Flap System · Boeing 757224

Difficulty date: October 6, 2021
Submitted: October 6, 2021
Operation: Air carrier
Aircraft: N17126
Make and model: Boeing 757224
Aircraft serial: 27566
Aircraft time: 85,027 hours, 20,967 cycles
System (JASC): 2751 · Trailing Flap Position Indicating System
Part: Flap System
Condition: Faulted
Location: Te Flaps
Stage of operation: DE
How discovered: O
Nature of condition: J
Precautionary procedure: B

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

TE FLAP DISAGREE EICAS WHEN FLAP HANDLE MOVED TO FLAPS 1 POSIT ION. QRH PROCEDURE RUN PERFORMED OPS TEST OF TE FLAP SYSTEM REF AMM 27-51-00-715-001, LE AND TE FLAPS OPERATE NORMAL. PERFORMED BITE OF FSEU 1,2,AND 3. BITE SHOW NO FAULTS REF 27-51 FAULT TREE 805.